CN101949694B - Detector for flange planeness of exhaust manifold and detection method thereof - Google Patents
Detector for flange planeness of exhaust manifold and detection method thereof Download PDFInfo
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- CN101949694B CN101949694B CN2010102446216A CN201010244621A CN101949694B CN 101949694 B CN101949694 B CN 101949694B CN 2010102446216 A CN2010102446216 A CN 2010102446216A CN 201010244621 A CN201010244621 A CN 201010244621A CN 101949694 B CN101949694 B CN 101949694B
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Abstract
The invention provides a detector for the flange planeness of an exhaust manifold, which is characterized by comprising a rack, a driving device, a supporting bracket, a roof support and a displacement sensor, wherein the driving device is provided with a base which can horizontally and vertically move relative to the rack; the supporting bracket is fixed on the driving device, and is provided with a supporting rod used for fixing the flange plane of the exhaust manifold; the roof support comprises a measuring basis roof the bottom of which is provided with a datum fulcrum which can contact with the flange plane of the exhaust manifold; and the displacement sensor is used for detecting the datum fulcrum and an image input device and reading the data of the flange plane of the exhaust manifold. Compared with the prior art, the installation and the detection for the flange plane of the exhaust manifold of the invention are realized by a mechanical clamp, thereby achieving more labor-saving and more convenient operation, improving the measurement accuracy and veracity, obtaining the final measurement results by system analysis, being more stable and more reliable, reducing the influences of measurement errors and artificial subjective factors on the measurement results, and ensuring the detection quality.
Description
Technical field
The present invention relates to a kind of flatness checking device and detection method, particularly relate to a kind of device and detection method thereof that is used to detect the exhaust manifold planeness of flange.
Background technology
As everyone knows, automobile exhaust system is to be used for collecting and discharging waste gas, and the main effect of exhaust system is to filter the waste gas of discharging, and reduces tail gas pollution, can also reduce noise simultaneously.
Usually; The exhaust system of automobile mainly is made up of exhaust manifold, catalysis type clarifier, exhaust box and tail pipe etc.; Wherein, exhaust manifold is a kind of pipeline that has the difference warp architecture, and the effect of exhaust manifold is that the exhaust with each cylinder puts together and leads people's exhaust main.During installation, the Flange Plane of exhaust manifold links to each other with the cylinder assembling, in order to reduce exhaust resistance as far as possible; And avoid the phase mutual interference between each cylinder of engine; Planeness of flange to exhaust manifold in the automobile fitting industry has certain requirement, and the quality of fit of the Flange Plane of exhaust manifold and cylinder installed surface has determined whether the waste gas in the cylinder body can leak when discharging, therefore; In actual production, the planeness of flange of exhaust manifold detected have great importance.
Shown in figure 10, be the exhaust manifold planeness of flange pick-up unit that prior art adopted, this pick-up unit include detect dull and stereotyped 1 ' with clearance gauge 2 '; During detection; To detect exhaust manifold 4 ' flange face 3 ' be placed on detect dull and stereotyped 1 ' on, and with detect dull and stereotyped 1 ' fit, under the state of nature that does not receive ambient pressure; With clearance gauge 2 ' measurement flange face 3 ' and detect the gap between dull and stereotyped 1 ' two face, and then whether the planeness of flange of definite exhaust manifold is in the accuracy requirement scope.But the detection method accuracy of detection that adopts this pick-up unit to realize is lower, comparatively loaded down with trivial details; Labor strength is big, and it is bigger influenced by artificial subjective factor, as a result poor stability; And this pick-up unit can only detect the Flange Plane of an exhaust manifold at every turn, inefficiency.
Summary of the invention
First technical matters to be solved by this invention is to above-mentioned prior art present situation a kind of accuracy of detection height and the rapid operation pick-up unit of discharge manifold planeness of flange easily to be provided.
Second technical matters to be solved by this invention is to provide a kind of above-mentioned detection device that adopts to realize the method that the exhaust manifold planeness of flange detects to above-mentioned prior art present situation.
The present invention solves the technical scheme that above-mentioned first technical matters adopts: the pick-up unit of this discharge manifold planeness of flange is characterized in that: include
Frame;
Drive unit is installed on the said frame, and this drive unit has and can do the pedestal that level and vertical direction move with respect to said frame;
Bracing frame is fixed on the described drive unit and also can moves along level and vertical direction respectively with this drive unit, and support frame as described above is provided with the support bar that is used for fixing said exhaust manifold Flange Plane;
The top board bearing; Be installed on the said frame; This top board bearing includes the measuring basis top board that is arranged at the support frame as described above top; Offer on the said measuring basis top board and through hole that the Flange Plane of said exhaust manifold size is suitable, the bottom of this measuring basis top board also be provided with can and the contacted benchmark fulcrum of Flange Plane of said exhaust manifold;
Displacement transducer detects described benchmark fulcrum, and this displacement transducer is arranged at the top of said measuring basis top board, and this displacement transducer has the pickup arm that can be respectively moves along the vertical and horizontal of said measuring basis top board; And
Image input device reads the Flange Plane data of said exhaust manifold, and this image input device is arranged at the through hole top of said measuring basis top board, and the pickup arm of said image input device and said displacement transducer links.
In order to realize that drive unit is respectively along the displacement of level and vertical direction; As preferably; Described drive unit includes first pedestal, second pedestal, support plate, first cylinder and second cylinder; Said frame is provided with first guide rail, and said support plate is provided with second guide rail, and said second pedestal and support plate are perpendicular to the said first pedestal setting; Said first pedestal and first guide rail are connected and can do moving of horizontal direction with respect to said frame, and said second pedestal and second guide rail are connected and can do moving of vertical direction with respect to said support plate; The cylinder body of said first cylinder is fixed on the said frame, and the piston rod of this first cylinder is fixed on said first pedestal, and the cylinder body of said second cylinder is fixed on said first pedestal, and the piston rod of this second cylinder is fixed on said second pedestal.Because the cylinder body of first cylinder is to be fixed on the frame; When first cylinder piston rod stretched out, first cylinder action was realized the slippage of first pedestal with respect to first guide rail in first pedestal; The cylinder body of second cylinder then is to be fixed on first pedestal; When second cylinder piston rod stretched out, second cylinder then acted on second pedestal, realized the slippage of second pedestal with respect to second guide rail.
In order to increase work efficiency, guarantee the Flange Plane mounting stability, as preferably; Said support bar includes at least two groups, and every group of support bar includes two highly fixing pole and two Height Adjustable motion bars, and each said motion bar includes regulating sleeve, first bar, second bar and spring; Said first bar offers vestibule; Said spring is arranged in the said vestibule, and the bottom of said second bar and said spring offset, and said regulating sleeve is set in outside said first bar and second bar; And said regulating sleeve and said first bar are for being threaded.
Preferred as further; Said displacement transducer is fixed on the top of the trellis that is arranged on the said frame, and said support is positioned at the rear portion of said top board bearing, and; Said displacement transducer includes mutual vertically disposed stationary shaft and movable axis; Said stationary shaft crosswise fixed is in said top of the trellis, and said movable axis is said pickup arm, and said image input device is arranged on the said movable axis.So during work, the stationary shaft of displacement transducer is motionless, movable axis can move along the vertical and lateral respectively with respect to stationary shaft as pickup arm, and then realizes the detection to each coordinate points on the measuring basis top board.
Said image input device can be various input equipments of the prior art; Like video camera, scanner; View data after being mainly used in the surface that obtains the measuring basis top board and the exhaust manifold Flange Plane contacting, as preferably, said image input device is a laser scanner.
In order to prevent dust; Improve safety in utilization, described pick-up unit also includes the outer cover that is arranged at said upper rack, and said drive unit, bracing frame, top board bearing, displacement transducer and image input device are placed in the said outer cover; And; One side of said outer cover also has access door, and access door can open or close, and maintains easily and overhauls.
For timely detection feedback content, for the ease of observing testing result, described pick-up unit also includes the LCDs that is fixed on the said frame simultaneously.
In order to guarantee the level of frame upper surface, improve accuracy and the precision measured, reduce measuring error, described frame bottom also is equipped with the foot screw that can regulate this bracket height.
The present invention solves above-mentioned second technical scheme that technical matters adopted: described pick-up unit also includes the electric-control system of control above-mentioned drive unit, displacement transducer and image input device work, and the detection method of the planeness of flange of said exhaust manifold includes following steps:
(1), is installed in the exhaust manifold of wanting the detection plane degree on the support column of support frame as described above;
(2), start power switch; Support frame as described above arrives the measuring basis top plate portion of said top board bearing respectively through moving of horizontal direction and vertical direction under the driving of said drive unit; And; The Flange Plane of said exhaust manifold just in time contacts the benchmark fulcrum of said measuring basis top board bottom, forms preliminary detection;
(3), start described displacement transducer and detect, and the vertical and horizontal of said image input device said measuring basis top board in the drive lower edge of said pickup arm move and obtain the view data of the specified point on the said exhaust manifold Flange Plane;
(4), described electric-control system detects the data of obtaining according to said displacement transducer and said image input device, whether the planeness of flange of judging exhaust manifold in the scope of accuracy requirement;
(5), support frame as described above resets under the driving of said drive unit again, unloads workpiece, accomplishes the detection of an exhaust manifold planeness of flange.
Compared with prior art, the invention has the advantages that: the installation of exhaust manifold Flange Plane and detect and to clamp realization, the mode with manual detection of comparing through machinery; Operate more laborsavingly, convenient, improved measuring accuracy and accuracy, and; The ultimate results obtains through systematic analysis, and is more reliable and stable, reduced the influence to measurement result of measuring error and artificial subjective factor; Guarantee the quality that detects, helped improving the qualification rate of product; In addition, adopt measurement mechanism of the present invention once a plurality of exhaust manifolds can be installed, greatly reduce working strength, improved work efficiency effectively.
Description of drawings
Fig. 1 is one of perspective view of the embodiment of the invention.
Fig. 2 is two (removing outer cover) of the perspective view of the embodiment of the invention.
Fig. 3 is the main part three-dimensional exploded view of the embodiment of the invention.
Fig. 4 is the rack construction synoptic diagram of the embodiment of the invention.
Fig. 5 is the cover structure synoptic diagram of the embodiment of the invention.
Fig. 6 is the top board seat structure synoptic diagram of the embodiment of the invention.
Fig. 7 moves horizontally the shelf structure synoptic diagram for the embodiment of the invention.
Fig. 8 is that the exhaust manifold of the embodiment of the invention is at the mounting structure synoptic diagram.
Fig. 9 is an exhaust manifold structural representation to be detected in the embodiment of the invention.
Figure 10 is the exhaust manifold planeness of flange pick-up unit that prior art adopted.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 9, be specific embodiment of the present invention, the planeness of flange that this pick-up unit is exclusively used in the auto exhaust manifold detects; Usually, the manifold 91 that exhaust manifold 9 ' have is crooked ' with install the Flange Plane 92 that is connected on the cylinder ', referring to Fig. 9; Exhaust manifold 9 ' Flange Plane 92 ' on offer a plurality of vent ports 921 '; The Flange Plane 92 that we will detect ' flatness be vent port 921 ' edge 922 ' flatness, therefore, check point be arranged on vent port 921 ' edge 922 ' on; Flange Plane 92 ' the bottom also be provided with a plurality of strong points 922 ', the workpiece that is used for exhaust manifold clamps.
The pick-up unit of present embodiment includes frame 1, outer cover 2, drive unit 6, bracing frame 3, top board bearing 4, displacement transducer 5, image input device and electric-control system; Wherein, Drive unit 6, bracing frame 3, top board bearing 4, displacement transducer 5, image input device are installed on the frame 1 and are placed within the outer cover 2, and outer cover 2 can play the dustproof effect, and a side of outer cover 2 also has the detecting gate that can open at any time 21; Convenient for maintaining; Electric-control system is installed in the frame 1, and frame 1 adopts high-quality A3 material and 40mm * 40mm * 4mm square tube to be welded sound construction, attractive in appearance; Frame 1 bottom can also be equipped with the foot screw 11 that can regulate this frame 1 height; Foot screw 11 can be installed after the pick-up unit lifting puts in place again, can adjust frame 1 to suitable height through the foot screw 11 of regulating frame 1 bottom, guarantees the level of frame 1 upper surface.
Wherein, Drive unit 6 has and can do the pedestal that level and vertical direction move with respect to frame 1, includes first pedestal 61, second pedestal 62, support plate 63, first cylinder 64 and second cylinder 65, and frame 1 is provided with first guide rail 12; Support plate 63 is provided with second guide rail 631; Second pedestal 62 is provided with perpendicular to first pedestal 61 with support plate 63, and support plate 63 is fixedly connected with first pedestal 61, and; First pedestal 61 and first guide rail 12 are connected and can do moving of horizontal direction with respect to frame 1, and second pedestal 62 and second guide rail 631 are connected and can do moving of vertical direction with respect to support plate 63; First cylinder 64 is used for first location of pedestal 61 in surface level; The cylinder body of first cylinder 64 is fixed on the frame 1, and the piston rod of this first cylinder 64 is fixed on first pedestal 61, and second cylinder 65 is the slim cylinder of ￠ 50mm * 50mm; Be used for jacking second pedestal 62; Realize the location of second pedestal, 62 in the vertical directions, the cylinder body of second cylinder 65 is fixed on first pedestal 61, and the piston rod of this second cylinder 65 is fixed on second pedestal 62; First guide rail 12 and second guide rail 631 of present embodiment are respectively heavily loaded line slideway; First cylinder 64 and second cylinder 65 then are respectively the AirTAC cylinder, adopt pneumatic flexible, good stability; During work; Heavy duty line slideway and the combination of AirTAC cylinder, the action of drive unit 6 is smooth more, low, the good rigidly of noise.
Top board bearing 4 is-gantry structure; Top board bearing 4 includes measuring basis top board 41 that is arranged at bracing frame 3 tops and the fagging 42 that is connected measuring basis top board both sides; Measuring basis top board 41 is reference datums of measuring the exhaust manifold planeness of flange; Offer on the measuring basis top board 41 and the suitable through hole that is special-shaped shape 411 of measured exhaust manifold Flange Plane size; Support bar group number on the number of through hole 411 and the bracing frame 3 is consistent; Also be provided with in each through hole 411 bottom of measuring basis top board 41 can and exhaust manifold 9 ' Flange Plane 92 ' contacted benchmark fulcrum 412; Benchmark fulcrum 412 is cylindrical, the bottom of benchmark fulcrum 412 can with exhaust manifold 9 ' Flange Plane 92 ' contact, the benchmark fulcrum 412 of present embodiment get 5 and respectively along the bottom sides of respective through hole 411 along setting.
The displacement transducer 5 of present embodiment adopts the ZL series laser displacement sensor of OMRON; This displacement transducer is fixed on the support 9 and is positioned at the top of measuring basis top board 41; Support 9 and frame 1 are fixedly connected and are arranged on the rear portion of top board bearing 4; Displacement transducer 5 includes mutual vertically disposed stationary shaft 51 and movable axis 52; Stationary shaft 51 crosswise fixed are in the top of support 9; Movable axis 52 can be to guarantee accuracy of detection with respect to stationary shaft respectively along the moving of the vertical and horizontal of measuring basis top board 41 as the pickup arm of displacement transducer 5, and displacement transducer 5 adopts the IAI mechanical arms to realize the driving to movable axis 52 as the plane moving-member; Movable axis 52 is fixedly linked through gusset 53 and mechanical arm; Also being fixed with on the movable axis 52 of displacement transducer 5 can be with the laser scanner 7 of this movable axis 52 motions, laser scanner 7 as image input device can to exhaust manifold 9 to be detected ' several points of Flange Plane 92 ' go up appointment carry out laser scanning, and whether the flatness of judging flange through electric-control system in the scope of accuracy requirement.
Observe testing result for ease, in time detection feedback information can also be installed LCDs 8 on frame 1, and this LCDs 8 is provided with the operating switch 81 of electric-control system.
The startup of the drive unit 6 in the present embodiment, displacement transducer 5, laser scanner 7 and cylinder or to close all be through preestablishing the programmed control in electric-control system; This control mode can utilize the various opertaing devices (single-chip microcomputer, PLC or solenoid valve etc.) of prior art and control circuit to realize; This control circuit and equipment are not the main contents that present embodiment will be protected, and omit the specific descriptions to electric-control system and control mode at this.
The method that the planeness of flange that adopts the present embodiment pick-up unit to carry out exhaust manifold detects is following, and this detection method includes following steps:
(1), the exhaust manifold of wanting the detection plane degree 9 ' be installed in respectively on bracing frame 3 corresponding one group of support column;
(2), select automatic mode, start power switch, first cylinder 64 promotes first pedestal 61 and moves horizontally and advance; Second cylinder, 65 jackings, second pedestal 62 vertically rises, so bracing frame 3 arrives the measuring basis top plate portion of top board bearing 4 respectively through moving of horizontal direction and vertical direction under the driving of drive unit 6; At this moment, exhaust manifold 9 ' Flange Plane 92 ' just in time touch five benchmark fulcrums 412 of measuring basis top board 41 bottoms, form preliminary detection; In order to prevent misoperation, improve accuracy of detection, before displacement transducer work; Can also in electric-control system, set trace routine; Detect exhaust manifold 9 to be detected ' Flange Plane 92 ' whether arrived the position of formulation, if not, then need start drive unit 6 once more; The position of adjustment bracing frame 3, make exhaust manifold 9 ' Flange Plane 92 ' move to just in time with the contacted position of benchmark fulcrum of measuring basis top board bottom;
(3), the start bit displacement sensor 5; Mechanical arm drives movable axis and detects along the vertical and horizontal of measuring basis top board 41 respectively; Simultaneously; Laser scanner 7 also scans along the vertical and horizontal of measuring basis top board 41 under the drive of movable axis, and obtain exhaust manifold Flange Plane 92 ' on the view data of several specified points be sent to electric-control system;
(4), electric-control system detects the data of obtaining according to displacement transducer 5 and laser scanner 7, judge exhaust manifold 9 ' planeness of flange whether in the scope of accuracy requirement;
(5), detect and to finish, bracing frame 3 resets under the driving of drive unit 6 again, unloads workpiece, accomplishes the detection of an exhaust manifold planeness of flange.
The pick-up unit of present embodiment has been realized the automatic detection of exhaust manifold planeness of flange, has not only alleviated labour intensity, has also improved detection efficiency, and accuracy of detection and accuracy are more guaranteed.
Claims (9)
1. the pick-up unit of a discharge manifold planeness of flange is characterized in that: include
Frame;
Drive unit is installed on the said frame, and this drive unit has and can do the pedestal that level and vertical direction move with respect to said frame;
Bracing frame is fixed on the described drive unit and also can moves along level and vertical direction respectively with this drive unit, and support frame as described above is provided with the support bar that is used for fixing said exhaust manifold Flange Plane;
The top board bearing; Be installed on the said frame; This top board bearing includes the measuring basis top board that is arranged at the support frame as described above top; Offer on the said measuring basis top board and through hole that the Flange Plane of said exhaust manifold size is suitable, the bottom of this measuring basis top board also be provided with can and the contacted benchmark fulcrum of Flange Plane of said exhaust manifold;
Displacement transducer detects described benchmark fulcrum, and this displacement transducer is arranged at the top of said measuring basis top board, and this displacement transducer has the pickup arm that can be respectively moves along the vertical and horizontal of said measuring basis top board; And
Image input device reads the Flange Plane data of said exhaust manifold, and this image input device is arranged at the through hole top of said measuring basis top board, and the pickup arm of said image input device and said displacement transducer links.
2. the pick-up unit of discharge manifold planeness of flange according to claim 1; It is characterized in that: described drive unit includes first pedestal, second pedestal, support plate, first cylinder and second cylinder; Said frame is provided with first guide rail; Said support plate is provided with second guide rail; Said second pedestal and support plate are perpendicular to the said first pedestal setting, and said first pedestal and first guide rail are connected and can do moving of horizontal direction with respect to said frame, and said second pedestal and second guide rail are connected and can do moving of vertical direction with respect to said support plate; The cylinder body of said first cylinder is fixed on the said frame, and the piston rod of this first cylinder is fixed on said first pedestal, and the cylinder body of said second cylinder is fixed on said first pedestal, and the piston rod of this second cylinder is fixed on said second pedestal.
3. the pick-up unit of discharge manifold planeness of flange according to claim 1; It is characterized in that: said support bar includes at least two groups, and every group of support bar includes two highly fixing pole and two Height Adjustable motion bars, and each said motion bar includes regulating sleeve, first bar, second bar and spring; Said first bar offers vestibule; Said spring is arranged in the said vestibule, and the bottom of said second bar and said spring offset, and said regulating sleeve is set in outside said first bar and second bar; And said regulating sleeve and said first bar are for being threaded.
4. the pick-up unit of discharge manifold planeness of flange according to claim 1; It is characterized in that: said displacement transducer is fixed on the top of the trellis that is arranged on the said frame, and said support is positioned at the rear portion of said top board bearing, and; Said displacement transducer includes mutual vertically disposed stationary shaft and movable axis; Said stationary shaft crosswise fixed is in said top of the trellis, and said movable axis is said pickup arm, and said image input device is arranged on the said movable axis.
5. the pick-up unit of discharge manifold planeness of flange according to claim 4 is characterized in that: said image input device is a laser scanner.
6. the pick-up unit of discharge manifold planeness of flange according to claim 1; It is characterized in that: described pick-up unit also includes the outer cover that is arranged at said upper rack; Said drive unit, bracing frame, top board bearing, displacement transducer and image input device are placed in the said outer cover; And a side of said outer cover also has access door.
7. the pick-up unit of discharge manifold planeness of flange according to claim 6 is characterized in that: described pick-up unit also includes the LCDs that is fixed on the said frame.
8. the pick-up unit of discharge manifold planeness of flange according to claim 1 is characterized in that: described frame bottom also is equipped with the foot screw that can regulate this bracket height.
9. the discharge manifold planeness of flange detection method of the said pick-up unit of arbitrary claim in employing such as the claim 1～8; Wherein, Described pick-up unit also includes the electric-control system of control said drive unit, displacement transducer and image input device work, and it is characterized in that: this detection method includes following steps:
(1) is installed in the exhaust manifold of wanting the detection plane degree on the support bar of support frame as described above;
(2) start power switch; Support frame as described above arrives the measuring basis top plate portion of said top board bearing respectively through moving of horizontal direction and vertical direction under the driving of said drive unit; And; The Flange Plane of said exhaust manifold just in time contacts the benchmark fulcrum of said measuring basis top board bottom, forms preliminary detection;
(3) start described displacement transducer and detect, and the vertical and horizontal of said image input device said measuring basis top board in the drive lower edge of said pickup arm move and obtain the view data of the specified point on the said exhaust manifold Flange Plane;
(4) described electric-control system detects the data of obtaining according to said displacement transducer and said image input device, and whether the planeness of flange of judging exhaust manifold is in the scope of accuracy requirement;
(5) support frame as described above resets under the driving of said drive unit again, unloads workpiece, accomplishes the detection of an exhaust manifold planeness of flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102446216A CN101949694B (en) | 2010-07-30 | 2010-07-30 | Detector for flange planeness of exhaust manifold and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102446216A CN101949694B (en) | 2010-07-30 | 2010-07-30 | Detector for flange planeness of exhaust manifold and detection method thereof |
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| CN101949694A CN101949694A (en) | 2011-01-19 |
| CN101949694B true CN101949694B (en) | 2012-06-27 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029113A (en) * | 2012-11-28 | 2013-04-10 | 重庆明利来科技有限公司 | Exhaust manifold clipping device |
| CN104034286B (en) * | 2013-03-06 | 2018-05-18 | 昆山富利瑞电子科技有限公司 | Metal plate coplane degree detection device |
| CN103394846A (en) * | 2013-07-25 | 2013-11-20 | 成都陵川特种工业有限责任公司 | Positioning tool for supports on connecting pipes of exhaust manifolds |
| CN107402047A (en) * | 2017-09-06 | 2017-11-28 | 常州航空工模具有限公司 | A kind of automobile exhaust pipe automatic checkout equipment |
| CN107401989A (en) * | 2017-09-06 | 2017-11-28 | 和信精密科技（吴江）有限公司 | A kind of flatness and flexibility detect tool |
| CN108375327B (en) * | 2018-01-12 | 2020-11-06 | 平高集团有限公司 | Detection method and detection device for special-shaped conductor |
| CN112683192A (en) * | 2019-10-18 | 2021-04-20 | 三赢科技（深圳）有限公司 | Non-contact measuring device for overall dimension of piece to be measured |
| CN111013872B (en) * | 2019-12-21 | 2021-07-30 | 河南飞龙(芜湖)汽车零部件有限公司 | Solve multiple model car exhaust manifold and spray paint frame of spraying paint of processing |
| CN112461178B (en) * | 2020-11-16 | 2022-02-01 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Continuous curvature generating device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4630381A (en) * | 1984-07-24 | 1986-12-23 | Mitutoyo Mfg. Co., Ltd. | Coordinate measuring instrument |
| KR950001604U (en) * | 1993-06-30 | 1995-01-04 | Fasteners for corrosion prevention using bolts and nuts | |
| CN201277085Y (en) * | 2008-10-23 | 2009-07-22 | 浙江摩多巴克斯汽配有限公司 | Exhaust manifold |
| CN201392272Y (en) * | 2008-11-26 | 2010-01-27 | 天津大学 | System for accurately positioning testing cylinder cover and simulation cylinder sleeve of air passage testing board |
| CN201803706U (en) * | 2010-07-30 | 2011-04-20 | 浙江摩多巴克斯汽配有限公司 | Device for detecting planeness of exhaust manifold flange |
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Address after: Hongxing Road 315033 Zhejiang province Ningbo Jiangbei Industrial Zone No. 8 A Patentee after: ZHEJIANG MOTORBACS TECHNOLOGY CO., LTD. Address before: Hongxing Road 315033 Zhejiang province Ningbo Jiangbei Industrial Zone No. 8 A Patentee before: Zhejiang Motorbacs Autoparts Co., Ltd. |